Ralph Lauren quietly shuttered its two-year-old 20,000-square-foot store last week. Other brands are expected to close boutiques in a city that has lost its luster for cash-rich mainland Chinese tourists.

NEW YORK — Mary-Kate Olsen and Ashley Olsen have postponed their runway presentation for The Row because of delayed sample deliveries.

The Olsens were scheduled to show the spring collection of their designer brand at Milk Studios on Tuesday. They are now planning to unveil the line to buyers and editors in Paris during the city’s fashion week, which is Sept. 28 to Oct. 6.

“We have made the decision to postpone our spring-summer 2011 presentation of The Row due to sample delivery,” Mary-Kate Olsen and Ashley Olsen said in a joint statement. “Production and delivery of our samples is delayed by a few days and this has cast us out of the New York schedule. We will therefore present it to the market within the Paris schedule. We are excited and are looking forward to presenting our collection.”

The designing sisters have not yet finalized the date or venue for their Paris presentation, but they are expected to favor an intimate setting over a runway extravaganza. The Row had its first runway outing during New York Fashion Week last February with a small runway presentation for a select group of editors and retail buyers.

The Olsens launched The Row in 2007 with the idea to create a perfect T-shirt, but the collection has since evolved to include categories like eveningwear, outerwear, knits, men’s wear and sunglasses. It is sold in stores such as Barneys New York, Bergdorf Goodman and Maxfields in the U.S.; Isetan and The Wall in Japan; Le Bon Marché, Maria Luisa and Printemps in France, and Podium, Aizel and The Icon in Russia.

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